Pith Number

pith:7GQT3YDT

pith:2018:7GQT3YDTJIIEQPR7EZ2MKSC5UW

not attested not anchored not stored refs pending

A Variational Step for Reduction of Mixed Gaussian-Impulse Noise from Images

Dipayan Saha, M. N. S. Swamy, Mohammad Tariqul Islam, M. Omair Ahmad, S. M. Mahbubur Rahman

arxiv:1811.00244 v1 · 2018-11-01 · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GQT3YDTJIIEQPR7EZ2MKSC5UW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:01:47.750704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a13de0734a10483e3f2674c5485da598551a5364825966f476dadc879e7717

Aliases

arxiv: 1811.00244 · arxiv_version: 1811.00244v1 · doi: 10.48550/arxiv.1811.00244 · pith_short_12: 7GQT3YDTJIIE · pith_short_16: 7GQT3YDTJIIEQPR7 · pith_short_8: 7GQT3YDT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7GQT3YDTJIIEQPR7EZ2MKSC5UW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f9a13de0734a10483e3f2674c5485da598551a5364825966f476dadc879e7717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4d7de76402e7d8d7884942a3eface1d7a4ea03a88bc5572e3e49050b29a697b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-11-01T05:37:12Z",
    "title_canon_sha256": "7f33809494cb79c5a27086bd4b5113e54599d46f76ff69968bd1b8e7052f3a34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00244",
    "kind": "arxiv",
    "version": 1
  }
}